4 Choose the correct word. 1 ______ I go outside, please? A Can B Need C Must 2 You ______ leave your car outside the campus. There is a parking place. A needn't B mustn't C have to 3 The rules say we ______ keep our rooms tidy. A must B can C can't 4 I'm afraid you ______ go out now. It's too late. A can B can't C needn't 5 You ______ put posters on the wall. It's forbidden. A needn't B mustn't C have to